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From 03144acc6f578271f0cd0f8ce95b3db834f00688 Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Mon, 1 Oct 2018 15:22:12 -0400
Subject: [PATCH 0686/2940] drm/amd/display: Check if hubp function hooks exist
before calling them
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index f88c440c2826..345fc0302e4e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -787,7 +787,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc)
&dc->current_state->res_ctx.pipe_ctx[i];
if (pipe_ctx != NULL) {
hubp = pipe_ctx->plane_res.hubp;
- if (hubp != NULL) {
+ if (hubp != NULL && hubp->funcs->hubp_get_underflow_status) {
if (hubp->funcs->hubp_get_underflow_status(hubp) != 0) {
/* one pipe underflow, we will reset all the pipes*/
need_recover = true;
@@ -813,7 +813,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc)
if (pipe_ctx != NULL) {
hubp = pipe_ctx->plane_res.hubp;
/*DCHUBP_CNTL:HUBP_BLANK_EN=1*/
- if (hubp != NULL)
+ if (hubp != NULL && hubp->funcs->set_hubp_blank_en)
hubp->funcs->set_hubp_blank_en(hubp, true);
}
}
@@ -826,7 +826,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc)
if (pipe_ctx != NULL) {
hubp = pipe_ctx->plane_res.hubp;
/*DCHUBP_CNTL:HUBP_DISABLE=1*/
- if (hubp != NULL)
+ if (hubp != NULL && hubp->funcs->hubp_disable_control)
hubp->funcs->hubp_disable_control(hubp, true);
}
}
@@ -836,7 +836,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc)
if (pipe_ctx != NULL) {
hubp = pipe_ctx->plane_res.hubp;
/*DCHUBP_CNTL:HUBP_DISABLE=0*/
- if (hubp != NULL)
+ if (hubp != NULL && hubp->funcs->hubp_disable_control)
hubp->funcs->hubp_disable_control(hubp, true);
}
}
@@ -848,7 +848,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc)
if (pipe_ctx != NULL) {
hubp = pipe_ctx->plane_res.hubp;
/*DCHUBP_CNTL:HUBP_BLANK_EN=0*/
- if (hubp != NULL)
+ if (hubp != NULL && hubp->funcs->set_hubp_blank_en)
hubp->funcs->set_hubp_blank_en(hubp, true);
}
}
--
2.17.1
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